CN210531024U

CN210531024U - Cold start auxiliary air heater for engine

Info

Publication number: CN210531024U
Application number: CN201921536868.8U
Authority: CN
Inventors: 何金兰; 杨世兵; 张永红; 朱红卫
Original assignee: Wuhan New Future Science And Technology Co ltd
Current assignee: Wuhan New Future Science And Technology Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-05-15
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses an engine cold start auxiliary air heater, which comprises a housin, the casing internal fixation is equipped with the breather pipe, the both ends of breather pipe are all stretched out the casing, the spliced pole is all fixed to be equipped with in the both ends of the upper end inner wall of casing, spliced pole lower extreme inner wall is the fixed electricity that is equipped with connects, the fixed heating wire that is equipped with between the electricity connects, the fixed treater that is equipped with of casing outer wall, the fixed temperature sensor that is equipped with of casing upper end inner wall, casing one end is equipped with the air duct. Has the advantages that: when the engine is started under the condition of lower external temperature, the air inlet of the engine is heated through the electric heating wire, so that the low-temperature starting performance of the engine can be improved, and after the engine is started, the air inlet can be heated by utilizing heat contained in tail gas, so that fuel can be combusted more sufficiently, the emission of hydrocarbons and carbon monoxide is reduced, and the pollution to the environment is reduced.

Description

Cold start auxiliary air heater for engine

Technical Field

The utility model relates to an engine preheating device field that admits air particularly, relates to an engine cold start auxiliary air heater.

Background

In cold and low-temperature areas in winter, the automobile often encounters difficulty in starting the engine, particularly the diesel engine, so that the normal running of the automobile is influenced, the engine body is damaged, and the service life of the engine is prolonged. The main reason is that the normal starting of the engine is affected by the too low temperature of the air entering the air inlet pipe of the engine, the starting liquid is used, so that the reliable starting of the diesel engine at the temperature of minus 40 ℃ can be ensured, but the starting liquid must be carried, and the use is inconvenient. And because the air inlet temperature is low, the fuel combustion is incomplete, the emission of hydrocarbons and carbon monoxide is more than ten times of the normal value, and the environment is polluted.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine cold start auxiliary air heater to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an engine cold start auxiliary air heater includes the casing, the casing internal fixation is equipped with the breather pipe, the both ends of breather pipe are all stretched out the casing, the equal fixed spliced pole that is equipped with in both ends of the upper end inner wall of casing, spliced pole lower extreme inner wall is the fixed electricity that is equipped with of equal electricity connector, the fixed heating wire that is equipped with between the electricity connector, the fixed treater that is equipped with of casing outer wall, the fixed temperature sensor that is equipped with of casing upper end inner wall, casing one end is equipped with the air duct, the fixed outlet duct that is equipped with of the casing other end, the air duct is kept away from casing one end is connected with preheating section of thick bamboo, preheating section of thick bamboo middle part is fixed and is equipped with a plurality of copper pipes, the copper pipe runs through preheating section of thick, The miniature air pump and the temperature sensor are electrically connected with the processor.

Further, the casing is fixed down and is equipped with the mounting panel just four angles of mounting panel have all seted up the mounting hole.

Furthermore, an insulating layer is fixedly arranged on the inner wall of the shell and made of ceramic materials.

Further, the outer wall of the shell is fixedly provided with a heat preservation layer, the heat preservation layer is made of rock wool boards, and the processor is fixed on the outer wall of the heat preservation layer.

Further, the part of the vent pipe in the shell is in a spiral shape.

Furthermore, the air inlet end of the breather pipe is arranged at the same side as the air outlet pipe.

Furthermore, the outer walls of the two ends of the vent pipe are fixedly provided with connecting flanges.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up heating wire, treater, temperature sensor and preheating cylinder, can be when the engine starts under the lower condition of ambient temperature, heat admitting air of engine through the heating wire to can promote the performance that the engine low temperature starts, and start the completion back, can utilize the heat that contains in the tail gas to heat admitting air, thereby can make the burning that fuel can be more abundant, reduce hydrocarbon and carbon monoxide emission, reduce the pollution to the environment.

(2) The utility model discloses a set up mounting panel and mounting hole, can be used for the installation of casing fixed.

(3) The utility model discloses a set up the insulating layer, can prevent that heating wire and casing contact from leading to the casing electrified.

(4) The utility model discloses a set up the heat preservation, can reduce thermal scattering and disappearing in the casing.

(5) The utility model discloses a set up spiral helicine breather pipe, can increase the area of contact of hot air in breather pipe and the casing to can increase heat exchange efficiency.

(6) The utility model discloses a set up the inlet end and the outlet duct homonymy of breather pipe, can let the gas in the breather pipe and the interior hot gas of casing produce the convection current to can increase heat exchange efficiency.

(7) The utility model discloses a set up flange, can be used for the air inlet pipeline of breather pipe and engine to be connected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an engine cold start auxiliary air heater according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a preheating cylinder in an engine cold start auxiliary air heater according to an embodiment of the present invention;

FIG. 3 is a vertical cross-sectional view of a preheating cylinder in an engine cold start auxiliary air heater according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a preheating cylinder in an engine cold start auxiliary air heater according to an embodiment of the present invention.

Reference numerals:

1. a housing; 2. a breather pipe; 3. connecting columns; 4. an electrical connector; 5. an electric heating wire; 6. a processor; 7. a temperature sensor; 8. an air duct; 9. an air outlet pipe; 10. a preheating cylinder; 11. a copper pipe; 12. an air inlet pipe; 13. a micro air pump; 14. mounting a plate; 15. mounting holes; 16. an insulating layer; 17. a heat-insulating layer; 18. and connecting the flanges.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-4, an engine cold start auxiliary air heater according to an embodiment of the present invention includes a housing 1, a vent pipe 2 is fixedly disposed in the housing 1, both ends of the vent pipe 2 extend out of the housing 1, both ends of an upper inner wall of the housing 1 are fixedly disposed with a connection post 3, a lower inner wall of the connection post 3 is fixedly disposed with an electrical connector 4, a heating wire 5 is fixedly disposed between the electrical connectors 4, a processor 6 is fixedly disposed on an outer wall of the housing 1, a temperature sensor 7 is fixedly disposed on an upper inner wall of the housing 1, an air duct 8 is disposed at one end of the housing 1, an air outlet duct 9 is fixedly disposed at the other end of the housing 1, one end of the air duct 8 away from the housing 1 is connected with a preheating cylinder 10, a plurality of copper pipes 11 are fixedly disposed at a middle portion of the preheating cylinder 10, the preheating cylinder 10 is far away from one end of the air duct 8 and is connected with an air inlet pipe 12, the air inlet pipe 12 is far away from one end of the preheating cylinder 10 and is connected with a micro air pump 13, and the heating wire 5, the micro air pump 13 and the temperature sensor 7 are electrically connected with the processor 6.

Through the above technical scheme of the utility model, when can the engine start under the lower circumstances of ambient temperature, heat admitting air of engine through heating wire 5 to can promote the performance that the engine low temperature starts, and start the completion back, can utilize the heat that contains in the tail gas to heat admitting air, thereby can make the burning that fuel can be more abundant, reduce hydrocarbon and carbon monoxide emission, reduce the pollution to the environment.

Example two:

referring to fig. 1, for a housing 1, a mounting plate 14 is fixedly disposed below the housing 1, and mounting holes 15 are disposed at four corners of the mounting plate 14; for the shell 1, an insulating layer 16 is fixedly arranged on the inner wall of the shell 1, and the insulating layer 16 is made of a ceramic material; for the shell 1, an insulating layer 17 is fixedly arranged on the outer wall of the shell 1, the insulating layer 17 is made of rock wool boards, and the processor 6 is fixed on the outer wall of the insulating layer 17.

Through the above technical scheme of the utility model, mounting panel 14 and mounting hole 15 can be used for casing 1's installation fixed, and insulating layer 16 can prevent that heating wire 5 from leading to casing 1 electrified with the contact of casing 1, and heat preservation 17 can reduce thermal scattering and disappearing in the casing 1.

Example three:

referring to fig. 1, for the ventilation pipe 2, the part of the ventilation pipe 2 in the housing 1 is spiral; for the breather pipe 2, the air inlet end of the breather pipe 2 is arranged at the same side as the air outlet pipe 9; for the vent pipe 2, the outer walls of both ends of the vent pipe 2 are fixedly provided with connecting flanges 18.

Through the above technical scheme of the utility model, spiral helicine breather pipe 2 can increase the area of contact of breather pipe 2 and the hot air in the casing 1 to can increase heat exchange efficiency, the inlet end of breather pipe 2 and outlet duct 9 are in same one side, can let the gas in breather pipe 2 and the hot gas in the casing 1 produce the convection current, thereby can increase heat exchange efficiency, flange 18 can be used for breather pipe 2 to be connected with the air inlet pipe of engine.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the vent pipe 2 is connected to the middle of an air inlet pipeline of an engine through a connecting flange 18, the preheating cylinder 10 is fixedly installed in the tail gas exhaust cylinder, when the engine is started under the condition of low external temperature, the inlet air of the engine is heated through the heating wire 5, so that the low-temperature starting performance of the engine can be improved, after the starting is completed, the micro air pump 13 is started to ventilate the preheating cylinder 10, the air exchanges heat with the tail gas with heat penetrating through the middle of the preheating cylinder 10, the heated air is guided into the shell 1 through the air guide pipe 8 to exchange heat with the air in the vent pipe 2, so that the air introduced into a combustion chamber is heated, so that the fuel can be combusted more fully, the emission of hydrocarbons and carbon monoxide is reduced, the pollution to the environment is reduced, and the temperature sensor 7 can detect the temperature in the shell 1, and transmits the detected data to the processor 6, when the temperature in the casing 1 is lower than the preset threshold value, the processor 6 controls the heating wire 5 to work to heat the gas in the casing 1, when the temperature in the casing 1 is higher than the preset threshold value, the processor 6 closes the heating wire 5 to save electric energy, the air is heated by completely utilizing the heat of the tail gas, the mounting plate 14 and the mounting hole 15 can be used for mounting and fixing the casing 1, the insulating layer 16 can prevent the heating wire 5 from being in contact with the casing 1 to cause the casing 1 to be electrified, the heat dissipation layer 17 can reduce the heat loss in the casing 1, the spiral vent pipe 2 can increase the contact area between the vent pipe 2 and the hot air in the casing 1, thereby increasing the heat exchange efficiency, the air inlet end and the air outlet pipe 9 of the vent pipe 2 are positioned at the same side of the hot gas in the vent pipe 2, and the convection between the gas in the, thereby, the heat exchange efficiency can be increased, and the connecting flange 18 can be used for connecting the breather pipe 2 with an air inlet pipeline of an engine.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engine cold start auxiliary air heater, its characterized in that, includes casing (1), casing (1) internal fixation is equipped with breather pipe (2), the both ends of breather pipe (2) are all stretched out casing (1), the both ends of the upper end inner wall of casing (1) are all fixed and are equipped with spliced pole (3), spliced pole (3) lower extreme inner wall is all fixed and is equipped with electric joint (4), fixedly between electric joint (4) be equipped with heating wire (5), casing (1) outer wall is fixed and is equipped with treater (6), casing (1) upper end inner wall is fixed and is equipped with temperature sensor (7), casing (1) one end is equipped with air duct (8), casing (1) other end is fixed and is equipped with outlet duct (9), air duct (8) are kept away from casing (1) one end is connected with preheating section of thick bamboo (10), the preheating device is characterized in that a plurality of copper pipes (11) are fixedly arranged in the middle of the preheating cylinder (10), the copper pipes (11) run through the preheating cylinder (10), the preheating cylinder (10) is far away from one end of the air guide pipe (8) is connected with an air inlet pipe (12), the air inlet pipe (12) is far away from one end of the preheating cylinder (10) is connected with a micro air pump (13), and the heating wire (5) is connected with the micro air pump (13) and the temperature sensor (7) in an all-in-one mode and is electrically connected with the processor (6).

2. The air heater for assisting in cold start of engine as claimed in claim 1, wherein a mounting plate (14) is fixedly arranged under the housing (1) and mounting holes (15) are formed at four corners of the mounting plate (14).

3. An engine cold start auxiliary air heater according to claim 2, characterized in that the inner wall of the housing (1) is fixedly provided with an insulating layer (16), and the insulating layer (16) is made of ceramic material.

4. The air heater for assisting in cold start of the engine is characterized in that an insulating layer (17) is fixedly arranged on the outer wall of the shell (1), the insulating layer (17) is made of rock wool boards, and the processor (6) is fixedly arranged on the outer wall of the insulating layer (17).

5. An engine cold start auxiliary air heater according to claim 1, characterized in that the part of the breather pipe (2) inside the housing (1) is helical.

6. An engine cold start auxiliary air heater according to claim 5, characterized in that the air inlet end of the breather pipe (2) is on the same side as the air outlet pipe (9).

7. The air heater for assisting in cold start of engine as claimed in claim 6, wherein the outer wall of both ends of the air pipe (2) is fixedly provided with a connecting flange (18).